#!/usr/bin/env python3
"""
Weld Data MCP 服务器 (模拟版)
"""

import asyncio
import json
import logging
from typing import Any, Dict, List, Optional


# import aiomysql
from mcp.server import Server
from mcp.server.stdio import stdio_server
from mcp.types import (
    # CallToolRequest,
    # CallToolResult,
    # ListToolsRequest,
    # ListToolsResult,
    Tool,
    TextContent,
)

# from tavily import TavilyClient

# 配置日志
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

# Tavily API配置
# TAVILY_API_KEY = "Your API Key"


# ==== MySQL 配置（改成你的实际数据库信息） ====

# MYSQL_CONFIG = {
#     "host": "39.98.163.114",
#     "port": 8891,
#     "user": "root",
#     "password": "zedx1234",
#     "db": "zedx_prodb",
# }
# ==== 模拟数据源（你后续替换成 MySQL 查询） ====
PERSONS = {
    "张三": "P123",
    "李四": "P456",
    "王五": "P789"
}

WELDS = {
    ("P123", "2025-09-01"): ["W001", "W002", "W005"],
    ("P456", "2025-09-01"): ["W010", "W011"],
    ("P123", "2025-09-02"): ["W020"]
}
class WeldMCPServer:
    """焊口查询 MCP Server"""

    def __init__(self):
        self.server = Server("weld-data")
        self.setup_handlers()

    def setup_handlers(self):
        """设置 MCP 处理器"""

        @self.server.list_tools()
        async def list_tools() -> List[Tool]:
            """列出可用的工具"""
            return [
                Tool(
                    name="query_weld_data",
                    description="根据人员姓名和日期，查询该人员当天的焊口编号及数量",
                    inputSchema={
                        "type": "object",
                        "properties": {
                            "person_name": {
                                "type": "string",
                                "description": "人员姓名"
                            },
                            "date": {
                                "type": "string",
                                "description": "日期,格式YYYY-MM-DD"
                            }
                        },
                        "required": ["person_name", "date"]
                    }
                )
            ]

        @self.server.call_tool()
        async def call_tool(name: str, arguments: Dict[str, Any]) -> List[TextContent]:
            """调用工具"""
            try:
                if name == "query_weld_data":
                    return await self._query_weld_data(arguments)
                else:
                    raise ValueError(f"Unknown tool: {name}")
            except Exception as e:
                logger.error(f"Tool call failed: {e}")
                return [TextContent(type="text", text=f"Error: {str(e)}")]

    async def _query_weld_data(self, arguments: Dict[str, Any]) -> List[TextContent]:
        """查询焊口数据"""
        person_name = arguments.get("person_name")
        date = arguments.get("date")

        if not person_name or not date:
            return [TextContent(type="text", text="Error: person_name 和 date 是必填项")]

        logger.info(f"查询 {person_name} 在 {date} 的焊口数据")


        # 查找人员编号
        person_id = PERSONS.get(person_name)
        if not person_id:
            return [TextContent(type="text", text=f"未找到人员 {person_name}")]


        # 查找焊口数据
        weld_ids = WELDS.get((person_id, date), [])
        result = {
            "person_name": person_name,
            "person_id": person_id,
            "date": date,
            "count": len(weld_ids),
            "weld_ids": weld_ids
        }
        # try:
        #     async with aiomysql.connect(**MYSQL_CONFIG) as conn:
        #         async with conn.cursor() as cur:
        #             # 查人员ID
        #             await cur.execute("SELECT id FROM persons WHERE name=%s", (person_name,))
        #             row = await cur.fetchone()
        #             if not row:
        #                 return [TextContent(type="text", text=f"未找到人员 {person_name}")]
        #             person_id = row[0]

        #             # 查焊口
        #             await cur.execute(
        #                 "SELECT weld_id FROM welds WHERE person_id=%s AND weld_date=%s",
        #                 (person_id, date),
        #             )
        #             weld_rows = await cur.fetchall()
        #             weld_ids = [r[0] for r in weld_rows]

        #             result = {
        #                 "person_name": person_name,
        #                 "person_id": person_id,
        #                 "date": date,
        #                 "count": len(weld_ids),
        #                 "weld_ids": weld_ids,
        #             }

        return [TextContent(type="text", text=json.dumps(result, ensure_ascii=False, indent=2))]

    async def run(self):
        """运行 MCP 服务器"""
        logger.info("Starting Weld MCP Server (MySQL)...")
        async with stdio_server() as (read_stream, write_stream):
            await self.server.run(
                read_stream,
                write_stream,
                self.server.create_initialization_options()
            )


async def main():
    """主函数"""
    server = WeldMCPServer()
    await server.run()


if __name__ == "__main__":
    asyncio.run(main())


    
#     def _format_search_result(self, response: Dict[str, Any], query: str) -> Dict[str, Any]:
#         """格式化搜索结果"""
#         try:
#             results = response.get("results", [])
#             answer = response.get("answer", "")
            
#             # 格式化结果列表
#             formatted_results = []
#             for result in results:
#                 formatted_results.append({
#                     "title": result.get("title", ""),
#                     "url": result.get("url", ""),
#                     "content": result.get("content", ""),
#                     "score": result.get("score", 0)
#                 })
            
#             # 生成摘要答案
#             if answer:
#                 summary = answer
#             elif formatted_results:
#                 # 如果没有直接答案，从结果中生成摘要
#                 summary = self._generate_summary(formatted_results, query)
#             else:
#                 summary = f"No relevant information found for '{query}'."
            
#             return {
#                 "query": query,
#                 "answer": summary,
#                 "results": formatted_results,
#                 "total_results": len(formatted_results)
#             }
            
#         except Exception as e:
#             logger.error(f"Failed to format search result: {e}")
#             return {
#                 "query": query,
#                 "answer": f"Result processing failed: {str(e)}",
#                 "results": [],
#                 "error": str(e)
#             }
    
#     def _generate_summary(self, results: List[Dict[str, Any]], query: str) -> str:
#         """从搜索结果生成摘要"""
#         if not results:
#             return f"No relevant information found for '{query}'."
        
#         # 取前3个结果的内容片段
#         summary_parts = []
#         for i, result in enumerate(results[:3]):
#             content = result.get("content", "").strip()
#             if content:
#                 # 截取前200个字符
#                 snippet = content[:200] + "..." if len(content) > 200 else content
#                 summary_parts.append(f"{i+1}. {snippet}")
        
#         if summary_parts:
#             return f"Based on search results for '{query}':\n\n" + "\n\n".join(summary_parts)
#         else:
#             return f"Found search results for '{query}', but content summary is not available."
    
#     async def run(self):
#         """运行MCP服务器"""
#         logger.info("Starting Tavily MCP Server...")
#         async with stdio_server() as (read_stream, write_stream):
#             await self.server.run(
#                 read_stream,
#                 write_stream,
#                 self.server.create_initialization_options()
#             )

# async def main():
#     """主函数"""
#     server = TavilyMCPServer()
#     await server.run()

# if __name__ == "__main__":
#     asyncio.run(main())

